1/14/2024 0 Comments Brain neuron connections![]() ![]() ![]() So researchers at the Allen Institute in Seattle are working on an easier next goal: mapping the connectome of a mouse. Those tools are enough to trace millions of connections, Vogelstein explains, but not the trillions of connections found in a human brain. The fruit fly larva connectome is an important advance because it's "closer in many regards to a human brain than the other ones," says Joshua Vogelstein, an author of the study and an associate professor of biomedical engineering at Johns Hopkins University.įor example, "there's regions that correspond to decision making, there's regions that correspond to learning, there's regions that correspond to navigation," Vogelstein says. Previous wiring diagrams, known as connectomes, were limited to worms and tadpoles with just a few hundred neurons and a few thousand synaptic connections. The brain, from a fruit fly larva, contained 3016 neurons connected by 548,000 synapses, the team reported Thursday in the journal Science. Scientists have created the first detailed wiring diagram of an insect brain. Both have remarkably complex brains, scientists say, with different regions devoted to decision-making, learning and navigation. What looks like a pin-headed critter on the right is actually a larval version of the fruit fly on the left. ![]()
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